Difference between revisions of "Part:BBa K201001:Experience"

 
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Dh5alpha cells were co-transformed with the BBa_K201001 on a high copy number plasmid (pSB1A2) and BBa_K201002 on a low copy number plasmid (pSB3K3).
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To experimentally chracterize the device, we performed both a static and a dynamic GFP analysis after IPTG induction.
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Static analysis.
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Cells were inoculated in 5 ml of M9 medium with 0, 10, 20, 40, 60, 80, 100 uM IPTG, respectively.  After O/N growth at 37° (about 12 h) samples were collected and slides prepared for microscope analysis.  Images were then analyzed with the VIFluoR software. To obtain a significant representation of bacterium fluorescence, it was necessary to acquire several images, each one reporting a sufficient number of bacterial cells. VIFluoR operates the image segmentation and then recognises the bacterial cells yielding the mean fluorescence per bacterium as the output (Fig. 1).
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Dynamic analysis.
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Dh5alpha cells were inoculated in the morning (9 a.m.) in 5 ml of M9 medium with no IPTG. After daily growth (about 8 h) the culture was diluited to an OD equal to 0.1. 200 ul of the culture with 0 and 100 uM IPTG were used to fill a 96-well plate and samples were grown into a fluorimeter (Tecan M200) O/N (about 12h) at 37°. In the morning fluorescence data were analyzed (Fig.2).
  
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This experience page is provided so that any user may enter their experience using this part.<BR>Please enter
 
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how you used this part and how it worked out.
 
  
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===Applications of BBa_K201001===
 
  
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===User Reviews===
 
 
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Revision as of 21:11, 21 October 2009

Dh5alpha cells were co-transformed with the BBa_K201001 on a high copy number plasmid (pSB1A2) and BBa_K201002 on a low copy number plasmid (pSB3K3). To experimentally chracterize the device, we performed both a static and a dynamic GFP analysis after IPTG induction.

Static analysis. Cells were inoculated in 5 ml of M9 medium with 0, 10, 20, 40, 60, 80, 100 uM IPTG, respectively. After O/N growth at 37° (about 12 h) samples were collected and slides prepared for microscope analysis. Images were then analyzed with the VIFluoR software. To obtain a significant representation of bacterium fluorescence, it was necessary to acquire several images, each one reporting a sufficient number of bacterial cells. VIFluoR operates the image segmentation and then recognises the bacterial cells yielding the mean fluorescence per bacterium as the output (Fig. 1).



Dynamic analysis. Dh5alpha cells were inoculated in the morning (9 a.m.) in 5 ml of M9 medium with no IPTG. After daily growth (about 8 h) the culture was diluited to an OD equal to 0.1. 200 ul of the culture with 0 and 100 uM IPTG were used to fill a 96-well plate and samples were grown into a fluorimeter (Tecan M200) O/N (about 12h) at 37°. In the morning fluorescence data were analyzed (Fig.2).


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